OFNA Racing OB4 RTR - Manual (Page 12)

Assembly of the right and left-side are
the same. 18
18
ASSEMBLY OF THE REAR HUBS INTO REAR ARMS
Leave approx 4mm
* A 3 x 8mm set screw is used
to adjust the ride height.
0 10 20 30 40 50
mm
3 x8mm
Set Screw x2
37360
37751
4mm Ball Socket x2
39060
Rear Lower
Arm
37360
4mm
Ball & Scoket
3 x 8mm
Set Screw
2 .5mm Hex Wrench
* Note direction of the arms.
2mm
* Use this hole for
37360
ASSEMBLY OF THE REAR DIFFERENTIAL INTO
REAR BLOCK
10 x 15mm
Ball Bearing x2
37450
PARTS USED
PARTS USED
37450
10 x 15mm
Ball Bearing
37450
10 x 15mm
Ball Bearing
39415
Rear Diff.
Adapter
39415
Rear Diff.
Adapter
39110
Rear Block
( Right )
* Both the left and right hand
belt tension adjuster must be place
in same position.
N0.3 is standard position.
* Check the position of the ball
differential before assembly.
1
2
3
4
5 6 7 8 9
10
11
12
13
( R )
1
2
3
4
5 6 7 8 9
10
11
12
13
( L )
1
2
3
4
5 6 7 8 9
10
11
12
13
Looser Tighter
39110
Rear Block
( Left )
VERY IMPORTANT!
( Back View )
OPTION PARTS: 39472
Alum. Susp. Block
( Rear )
3905
Belt
Tensioner
39414
Rear Block
Cover ( Bigger )
3 x 3mm
Set Screw x2
PARTS USED
3 x 10mm
Tapping Screw x2
3 x 10mm
Tapping Screw
3 x 10mm
Tapping Screw
Assembly of the right and left-side are
the same.
ASSEMBLY REAR BLOCK COVER AND
REAR LOWER ARMS
* Insert rear belt before
assembly.
39319
150 Belt
(Rear)
* Set the 3x3mm set screw
in "D" cut.
3 x 3mm
Set Screw
38240
rear lower
arm shaft
3 x 15mm
Flat Head
Tapping Screw
3 x 15mm
Flat Head
Tapping Screw
3 x 15mm
Flat Head
Tapping Screw
3 x 15mm
Flat Head
Tapping Screw x5
19
OPTION PARTS: 39468
Alum. Rear Block
Cover